Research Article

Optimization of Concentrated Sulphuric Acid Hydrolysis of Gadam Sorghum Stalks Found in Kenya for Fermentable Sugar Production

Table 8

Gadam sorghum stalks: ANOVA for testing the significance of the reduced model equation (Source: Design-Expert 13 Software).

SourceSum of squaresdfMean square value value

Model3356.958419.6286.14<0.0001Significant
26.47126.475.430.0398
189.71189.738.94<0.0001
1274.7511274.75261.68<0.0001
27.35127.355.610.0372
93.85193.8519.270.0011
227.111227.1146.62<0.0001
912.21912.2187.25<0.0001
902.41902.4185.24<0.0001
Residual53.59114.87
Lack of fit42.3767.063.150.1146Not significant
Pure error11.2252.24
Total3410.5319